Periodic points of holomorphic maps via Lefschetz numbers
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- by Núria Fagella and Jaume Llibre PDF
- Trans. Amer. Math. Soc. 352 (2000), 4711-4730 Request permission
Abstract:
In this paper we study the set of periods of holomorphic maps on compact manifolds, using the periodic Lefschetz numbers introduced by Dold and Llibre, which can be computed from the homology class of the map. We show that these numbers contain information about the existence of periodic points of a given period; and, if we assume the map to be transversal, then they give us the exact number of such periodic orbits. We apply this result to the complex projective space of dimension $n$ and to some special type of Hopf surfaces, partially characterizing their set of periods. In the first case we also show that any holomorphic map of ${\mathbb CP}(n)$ of degree greater than one has infinitely many distinct periodic orbits, hence generalizing a theorem of Fornaess and Sibony. We then characterize the set of periods of a holomorphic map on the Riemann sphere, hence giving an alternative proof of Baker’s theorem.References
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Additional Information
- Núria Fagella
- Affiliation: Departament de Matemàtiques, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
- Address at time of publication: Departament de Matemàtica Aplicada i Anàlisi, Gran Via 585, 08007 Barcelona, Spain
- Email: fagella@maia.ub.es
- Jaume Llibre
- Affiliation: Departament de Matemàtiques, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
- MR Author ID: 115015
- ORCID: 0000-0002-9511-5999
- Email: jllibre@mat.uab.es
- Received by editor(s): October 28, 1998
- Published electronically: June 8, 2000
- Additional Notes: Both authors are partially supported by DGICYT grant number PB96-1153
- © Copyright 2000 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 352 (2000), 4711-4730
- MSC (2000): Primary 55M20; Secondary 32H50, 37B99
- DOI: https://doi.org/10.1090/S0002-9947-00-02608-8
- MathSciNet review: 1707699